The SunJack 40 watt solar panel is built tough, designed for all weather conditions and environments. Ideal for all outdoor adventures including camping, backpacking and hiking. It is also essential for any disaster, emergency and hurricane prep kit for survival. This solar charger is packed with premium features and includes everything you need for charging on the go. The solar panel is rugged and durable, constructed with an ETFE exterior layer that provides full waterproof and weatherproof protection. ETFE also improves performance, durability, extends the panels lifespan and reduces maintenance. The output DC and USB ports are waterproof rated IP67, so there is no fear of water damage to this solar panel in wet environments. The solar panel is also very portable and is travel friendly, particularly considering its output. It features a 4 panel design that folds down to a portable and compact size and easily fits into most backpacks when folded. The pocket provides storage space for electronics and accessories. The elastic straps secure phones, power banks and more during storage and transportation. The built in kick stands let you angle the panels toward the sun to ensure maximum sun exposure, the included carabiners let you hang the panel from different objects, and the waterproof construction allows you to lay the panel flat on the ground without concern of damage to the panel or output ports. Additionally, the included adapter cable with DC, XT60 and Anderson plugs, and the DC plug adapters ensure compatibility with a wide range of devices. With up to 40 watts of power, the panel is compact enough to easily transport yet powerful enough to charge most devices. The 21V DC5521 port (25.1V open circuit voltage) provides enough charging power for most power stations while the dual USB ports let you charge USBC (PD30W) and USBA (18W max) devices. Charge a wide range of electronic devices, including power stations that accept DC and most USB devices including your iPhone, Samsung, Pixel, iPad, tablet, laptop, powerbank and more. The panel includes three separate IC chips which allow the USB ports to charge simultaneously with the DC port, charge at the most efficient voltage, and provide the quickest, yet safest, charging speed. Short circuit, overload, overheat, overcharge, overvoltage, and current limiting protection. Designed in the USA, backed by a hasslefree warranty from a local American company with easytoreach customer service. With SunJack as your personal power companion, never be caught without power.